Improve Adsense earnings from 0-30$/day

I have a website that needs to have some improvments with google adsense. It is a website where you can put your announcement, your job, your car to be sold etc. It's been about 2 years from the moment that it appeard online so this might be helpfull. I need to improve Adsense earnings from 0$ to at least 30$/day 100% legit and 100% according to Google policy. Can you make that? If you can i wait for your PM where i will thell the domain of my website to have a look at it. Thank you!